/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */

package org.apache.axis2.transport.testkit.util.tcpmon;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Tunnel {
    private final ServerSocket serverSocket;
    private final InetSocketAddress target;
    private ExecutorService executorService;
    
    public Tunnel(InetSocketAddress target) throws IOException {
        serverSocket = new ServerSocket(0);
        this.target = target;
    }
    
    public int getPort() {
        return serverSocket.getLocalPort();
    }
    
    public void start() {
        executorService = Executors.newCachedThreadPool();
        executorService.execute(new Acceptor(serverSocket, executorService, target));
    }
    
    public void stop() throws IOException {
        serverSocket.close();
        executorService.shutdown();
    }
}
